49ers' Chris Culliver, talks with reporters during the daily press conference on Thursday Jan. 31, 2013, in New Orleans, La. The San Francisco 49ers and the Baltimore Ravens prepare for this Sunday's NFL Superbowl match up. less

49ers' Chris Culliver, talks with reporters during the daily press conference on Thursday Jan. 31, 2013, in New Orleans, La. The San Francisco 49ers and the Baltimore Ravens prepare for this Sunday's NFL ... more

49ers' Chris Culliver, talks with reporters, during the daily press conference on Thursday Jan. 31, 2013, in New Orleans, La. The San Francisco 49ers and the Baltimore Ravens prepare for this Sunday's NFL Superbowl match up. less

49ers' Chris Culliver, talks with reporters, during the daily press conference on Thursday Jan. 31, 2013, in New Orleans, La. The San Francisco 49ers and the Baltimore Ravens prepare for this Sunday's NFL ... more

Cornerback Chris Culliver (29) and Safety Dashon Goldson (38) break up a pass in the first quarter of the San Francisco 49ers game against the Atlanta Falcons in the NFC Championship game at the Georgia Dome in Atlanta, GA., on Sunday January 20, 2013. less

Cornerback Chris Culliver (29) and Safety Dashon Goldson (38) break up a pass in the first quarter of the San Francisco 49ers game against the Atlanta Falcons in the NFC Championship game at the Georgia Dome in ... more

Green Bay Packers wide receiver James Jones (89) catches a pass as San Francisco 49ers cornerback Chris Culliver (29) attempts to intercept during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. less

Green Bay Packers wide receiver James Jones (89) catches a pass as San Francisco 49ers cornerback Chris Culliver (29) attempts to intercept during the first quarter of an NFC divisional playoff NFL football ... more

Cornerback Chris Culliver (29) celebrates after breaking up a pass intended for wide receiver Brian Hartline (82)in the third quarter of the San Francisco 49ers game against the Miami Dolphins at Candlestick Park in San Francisco, Calif., on Sunday December 9, 2012.

Cornerback Chris Culliver (29) celebrates after breaking up a pass intended for wide receiver Brian Hartline (82)in the third quarter of the San Francisco 49ers game against the Miami Dolphins at Candlestick

San Francisco 49ers outside linebacker Aldon Smith (99) greets defensive back Chris Culliver (29) in the second half of an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Nov. 25, 2012.

San Francisco 49ers outside linebacker Aldon Smith (99) greets defensive back Chris Culliver (29) in the second half of an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Nov. 25, 2012.

San Francisco 49ers defensive back Chris Culliver breaks up a pass intended for Arizona Cardinals wide receiver Larry Fitzgerald (11) during the first half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Paul Connors) less

San Francisco 49ers defensive back Chris Culliver breaks up a pass intended for Arizona Cardinals wide receiver Larry Fitzgerald (11) during the first half of an NFL football game, Monday, Oct. 29, 2012, in ... more

Photo: Paul Connors, Associated Press

San Francisco 49ers defensive back Chris Culliver breaks up a pass... Photo-3661894.56031 - San Antonio Express-News

Chris Culliver #29 of the San Francisco 49ers knocks down a pass intended for Michael Floyd #15 of the Arizona Cardinals at University of Phoenix Stadium on October 29, 2012 in Glendale, Arizona. 49rs won 24-3. (Photo by Norm Hall/Getty Images) less

Chris Culliver #29 of the San Francisco 49ers knocks down a pass intended for Michael Floyd #15 of the Arizona Cardinals at University of Phoenix Stadium on October 29, 2012 in Glendale, Arizona. 49rs won 24-3. ... more

Photo: Norm Hall, Getty Images

Chris Culliver #29 of the San Francisco 49ers knocks down a pass... Photo-3662285.56031 - San Antonio Express-News

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San Francisco 49ers cornerback Chris Culliver (29) breaks up a pass intended for Seattle Seahawks wide receiver Golden Tate (81) during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez) less

San Francisco 49ers cornerback Chris Culliver (29) breaks up a pass intended for Seattle Seahawks wide receiver Golden Tate (81) during the second quarter of an NFL football game in San Francisco, Thursday, ... more

Cornerback Chris Culliver (29) and Seattle Seahawks tight end Evan Moore (82) both reach for a pass in the first half of the San Francisco 49ers game against the Seattle Seahawks at Candlestick Park in San Francisco, Calif., on Thursday October 18, 2012. less

Cornerback Chris Culliver (29) and Seattle Seahawks tight end Evan Moore (82) both reach for a pass in the first half of the San Francisco 49ers game against the Seattle Seahawks at Candlestick Park in San ... more

San Francisco 49ers cornerback Chris Culliver (29, left) celebrates after breaking up a pass intended for Seattle Seahawks wide receiver Sidney Rice (18) during the fourth quarter of their NFL game at Candlestick Park on Thursday, October 18, 2012 in San Francisco, Calif. less

San Francisco 49ers cornerback Chris Culliver (29, left) celebrates after breaking up a pass intended for Seattle Seahawks wide receiver Sidney Rice (18) during the fourth quarter of their NFL game at ... more

San Francisco 49ers cornerback Chris Culliver (29, left) breaks up a pass intended for Seattle Seahawks wide receiver Sidney Rice (18) during the fourth quarter of their NFL game at Candlestick Park on Thursday, October 18, 2012 in San Francisco, Calif. less

San Francisco 49ers cornerback Chris Culliver (29, left) breaks up a pass intended for Seattle Seahawks wide receiver Sidney Rice (18) during the fourth quarter of their NFL game at Candlestick Park on ... more

San Francisco 49ers cornerbacks Chris Culliver (29, top) and Carlos Rogers (22) push back Seattle Seahawks wide receiver Ben Obomanu (87) during the fourth quarter of their NFL game at Candlestick Park on Thursday, October 18, 2012 in San Francisco, Calif. less

San Francisco 49ers cornerbacks Chris Culliver (29, top) and Carlos Rogers (22) push back Seattle Seahawks wide receiver Ben Obomanu (87) during the fourth quarter of their NFL game at Candlestick Park on ... more

Cornerback Chris Culliver (29) and Seattle Seahawks wide receiver Golden Tate miss both miss the ball for an incomplete pass during the first quarter of the San Francisco 49ers game against the Seattle Seahawks at Candlestick Park in San Francisco, Calif., on Thursday October 18, 2012. less

Cornerback Chris Culliver (29) and Seattle Seahawks wide receiver Golden Tate miss both miss the ball for an incomplete pass during the first quarter of the San Francisco 49ers game against the Seattle Seahawks ... more

Minnesota Vikings wide receiver Percy Harvin, left, is tackled by San Francisco 49ers defensive back Chris Culliver after making a reception during the first half of an NFL football game Sunday, Sept. 23, 2012, in Minneapolis. (Genevieve Ross / Associated Press) less

Minnesota Vikings wide receiver Percy Harvin, left, is tackled by San Francisco 49ers defensive back Chris Culliver after making a reception during the first half of an NFL football game Sunday, Sept. 23, 2012, ... more

Minnesota Vikings wide receiver Percy Harvin (12) tries to break a tackle by San Francisco 49ers defensive back Chris Culliver, right, after making a reception during the second half of an NFL football game Sunday, Sept. 23, 2012, in Minneapolis. (AP Photo/Genevieve Ross) less

Minnesota Vikings wide receiver Percy Harvin (12) tries to break a tackle by San Francisco 49ers defensive back Chris Culliver, right, after making a reception during the second half of an NFL football game ... more

Chris Culliver #29 of the San Francisco 49ers celebrates after breaking up a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California.

Chris Culliver #29 of the San Francisco 49ers celebrates after breaking up a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California.

San Francisco 49ers defensive back Chris Culliver, left, breaks up a pass intended for Detroit Lions wide receiver Titus Young, right, during the first quarter of an NFL football game in San Francisco, Sunday, Sept. 16, 2012. An interference penalty was called on the play. (AP Photo/Tony Avelar) less

San Francisco 49ers defensive back Chris Culliver, left, breaks up a pass intended for Detroit Lions wide receiver Titus Young, right, during the first quarter of an NFL football game in San Francisco, Sunday, ... more

San Francisco 49ers defensive back Chris Culliver, right, breaks up a pass intend for Detroit Lions wide receiver Titus Young, left, during the first quarter of an NFL football game in San Francisco, Sunday, Sept. 16, 2012. A pass interference penalty was called on the play. (Marcio Jose Sanchez / Associated Press) less

San Francisco 49ers defensive back Chris Culliver, right, breaks up a pass intend for Detroit Lions wide receiver Titus Young, left, during the first quarter of an NFL football game in San Francisco, Sunday, ... more

San Francisco 49ers' Chris Culliver (29) breaks up a pass intended for Green Bay Packers' Jordy Nelson during the second half of an NFL football game Monday, Sept. 10, 2012, in Green Bay, Wis. (AP Photo/Morry Gash) less

San Francisco 49ers' Chris Culliver (29) breaks up a pass intended for Green Bay Packers' Jordy Nelson during the second half of an NFL football game Monday, Sept. 10, 2012, in Green Bay, Wis. (AP Photo/Morry ... more

Cornerback Chris Culliver (29) makes quick work of Victor Cruz after a reception in the second half. The San Francisco 49ers defeated the New York Giants 27-20 Sunday November 13, 2011 at Candlestick Park.

Cornerback Chris Culliver (29) makes quick work of Victor Cruz after a reception in the second half. The San Francisco 49ers defeated the New York Giants 27-20 Sunday November 13, 2011 at Candlestick Park.

Joe Hastings #13 and Chris Culliver #29 of the San Francisco 49ers go up against each other in a 7 on 7 drill during practice at the San Francisco 49ers training facility on July 30, 2011 in Santa Clara, California. less

Joe Hastings #13 and Chris Culliver #29 of the San Francisco 49ers go up against each other in a 7 on 7 drill during practice at the San Francisco 49ers training facility on July 30, 2011 in Santa Clara, ... more

San Francisco 49ers strong safety Donte Whitner, left, recovers a fumble with help from teammate Chris Culliver in the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 6, 2011. (AP Photo/Nick Wass) less

San Francisco 49ers strong safety Donte Whitner, left, recovers a fumble with help from teammate Chris Culliver in the first half of an NFL football game against the Washington Redskins in Landover, Md., ... more

Chris Culliver #29 of the San Francisco 49ers intercepts a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California. (Photo by Ezra Shaw/Getty Images)
Ran on: 10-11-2011
Third-round pick Chris Culliver makes his first NFL interception in the second quarter.
Ran on: 10-11-2011
Third-round pick Chris Culliver gets his first NFL interception in the second quarter. less

Chris Culliver #29 of the San Francisco 49ers intercepts a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California. (Photo by Ezra Shaw/Getty ... more

Photo: Ezra Shaw, Getty Images

Chris Culliver #29 of the San Francisco 49ers intercepts a pass... Photo-1833124.56031 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.56031 - San Antonio Express-News

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Chris Culliver #29 of the San Francisco 49ers celebrates after breaking up a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California. (Photo by Ezra Shaw/Getty Images) less

Chris Culliver #29 of the San Francisco 49ers celebrates after breaking up a pass during their game against the Tampa Bay Buccaneers at Candlestick Park on October 9, 2011 in San Francisco, California. (Photo ... more

San Francisco 49ers running back Frank Gore (21) and San Francisco 49ers defensive back Chris Culliver (29) after an NFL football game in San Francisco, Sunday, Oct. 9, 2011. The San Francisco 49ers defeated the Tampa Bay Buccaneers 48-3. (AP Photo/Paul Sakuma) less

San Francisco 49ers running back Frank Gore (21) and San Francisco 49ers defensive back Chris Culliver (29) after an NFL football game in San Francisco, Sunday, Oct. 9, 2011. The San Francisco 49ers defeated ... more

Photo: Paul Sakuma, AP

San Francisco 49ers running back Frank Gore (21) and San Francisco... Photo-1835423.56031 - San Antonio Express-News

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San Francisco 49ers defensive back Chris Culliver (29) intercepts a pass in front of San Diego Chargers wide receiver Seyi Ajirotutu (89) during the fourth quarter of a preseason NFL football game Thursday, Sept. 1, 2011 in San Diego. The 49ers won 20-17. (AP Photo/Denis Poroy) less

San Francisco 49ers defensive back Chris Culliver (29) intercepts a pass in front of San Diego Chargers wide receiver Seyi Ajirotutu (89) during the fourth quarter of a preseason NFL football game Thursday, ... more

New Orleans Saints running back Mark Ingram (28) and San Francisco 49ers cornerback Chris Culliver (29) during an NFL preseason football game at the Louisiana Superdome in New Orleans, Friday, Aug. 12, 2011. (AP Photo/Bill Haber) less

New Orleans Saints running back Mark Ingram (28) and San Francisco 49ers cornerback Chris Culliver (29) during an NFL preseason football game at the Louisiana Superdome in New Orleans, Friday, Aug. 12, 2011. ... more

Photo: Bill Haber, AP

New Orleans Saints running back Mark Ingram (28) and San Francisco... Photo-1844360.56031 - San Antonio Express-News